/* static/styles.css */
/* ============================================================
   MODERN MEMORYSAVER DESIGN SYSTEM
   Цветовая схема: Deep Purple + Coral + Teal акценты
   ============================================================ */
:root {
    /* Основная палитра */
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --primary-glow: rgba(99, 102, 241, 0.3);
    
    --accent: #f43f5e;
    --accent-dark: #e11d48;
    --accent-light: #fb7185;
    
    --teal: #14b8a6;
    --teal-dark: #0d9488;
    --teal-light: #2dd4bf;
    
    /* Нейтральные */
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --surface: rgba(30, 41, 59, 0.8);
    --surface-hover: rgba(51, 65, 85, 0.9);
    
    /* Текст */
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    /* Градиенты */
    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #a855f7 100%);
    --gradient-accent: linear-gradient(135deg, #f43f5e 0%, #fb7185 50%, #f97316 100%);
    --gradient-teal: linear-gradient(135deg, #14b8a6 0%, #2dd4bf 50%, #06b6d4 100%);
    --gradient-dark: linear-gradient(180deg, rgba(15, 23, 42, 0) 0%, rgba(15, 23, 42, 0.95) 100%);
    
    /* Тени и свечения */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 20px var(--primary-glow);
    
    /* Размеры */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    /* Анимации */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    
    /* Безопасные зоны */
    --safe-top: env(safe-area-inset-top, 0px);
    --safe-bottom: env(safe-area-inset-bottom, 0px);
}

/* ============================================================
   БАЗОВЫЕ СТИЛИ
   ============================================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    min-height: 100dvh;
    overflow-x: hidden;
}

/* ============================================================
   СЛАЙД-ШОУ СТРАНИЦА
   ============================================================ */
.slideshow-page {
    position: relative;
    width: 100%;
    height: 100vh;
    height: 100dvh;
    background: #000;
    overflow: hidden;
}

/* Контейнер слайдов */
.slideshow-container {
    width: 100%;
    height: 100%;
    position: relative;
}

.slide {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: none;
}

.slide.active {
    opacity: 1;
    pointer-events: auto;
}

.slide-media {
    width: 100%;
    height: 100%;
    object-fit: contain;
    user-select: none;
    -webkit-user-drag: none;
}

.slide-video {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

/* Прогресс-бар слайд-шоу */
.slideshow-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: rgba(255, 255, 255, 0.1);
    z-index: 10;
}

.slideshow-progress-bar {
    height: 100%;
    background: var(--gradient-primary);
    transition: width 0.1s linear;
    border-radius: 0 2px 2px 0;
}

/* Кнопка админки */
.admin-floating-btn {
    position: fixed;
    top: calc(var(--safe-top) + 16px);
    right: 16px;
    z-index: 100;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-smooth);
    text-decoration: none;
}

.admin-floating-btn:hover {
    background: rgba(99, 102, 241, 0.3);
    border-color: var(--primary-light);
    transform: scale(1.1);
    box-shadow: var(--shadow-glow);
}

/* Индикатор типа медиа */
.media-type-indicator {
    position: absolute;
    top: calc(var(--safe-top) + 16px);
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    padding: 6px 16px;
    border-radius: 20px;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    display: flex;
    align-items: center;
    gap: 8px;
}

.media-type-indicator .dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--primary);
    animation: pulse 2s infinite;
}

.media-type-indicator.video .dot {
    background: var(--accent);
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* Счётчик слайдов */
.slide-counter {
    position: absolute;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    padding: 8px 16px;
    border-radius: 20px;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-secondary);
}

/* Навигационные точки */
.slide-dots {
    position: absolute;
    bottom: 80px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    z-index: 10;
}

.slide-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    cursor: pointer;
    transition: all var(--transition-smooth);
}

.slide-dot.active {
    background: var(--primary-light);
    box-shadow: 0 0 10px var(--primary-glow);
    transform: scale(1.3);
}

.slide-dot.video-dot {
    background: rgba(244, 63, 94, 0.5);
}

.slide-dot.video-dot.active {
    background: var(--accent);
    box-shadow: 0 0 10px rgba(244, 63, 94, 0.5);
}

/* ============================================================
   АДМИН-ПАНЕЛЬ
   ============================================================ */
.admin-page {
    min-height: 100vh;
    min-height: 100dvh;
    background: var(--bg-primary);
    padding: 16px;
    padding-top: calc(var(--safe-top) + 16px);
}

.admin-container {
    max-width: 1200px;
    margin: 0 auto;
}

/* Шапка админки */
.admin-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 24px;
    padding: 20px;
    background: var(--surface);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.back-btn {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    background: var(--bg-tertiary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-smooth);
    text-decoration: none;
}

.back-btn:hover {
    background: var(--primary);
    border-color: var(--primary-light);
    transform: translateX(-2px);
}

.admin-title {
    flex: 1;
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.magnet-badge {
    padding: 8px 16px;
    background: var(--gradient-primary);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 600;
    color: white;
    letter-spacing: 0.05em;
}

/* Зона загрузки */
.upload-zone {
    margin-bottom: 24px;
    padding: 48px 24px;
    border: 2px dashed rgba(99, 102, 241, 0.3);
    border-radius: var(--radius-lg);
    background: var(--surface);
    cursor: pointer;
    transition: all var(--transition-smooth);
    text-align: center;
}

.upload-zone:hover,
.upload-zone.dragover {
    border-color: var(--primary);
    background: rgba(99, 102, 241, 0.1);
    box-shadow: var(--shadow-glow);
}

.upload-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 16px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.upload-text {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.upload-hint {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Сетка медиа */
.media-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 16px;
}

.media-card {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--surface);
    border: 1px solid rgba(255, 255, 255, 0.05);
    aspect-ratio: 1;
    cursor: pointer;
    transition: all var(--transition-smooth);
    group: true;
}

.media-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

.media-thumb {
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.media-thumb img,
.media-thumb video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-smooth);
}

.media-card:hover .media-thumb img,
.media-card:hover .media-thumb video {
    transform: scale(1.05);
}

/* Оверлей при наведении */
.media-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 50%, rgba(0, 0, 0, 0.8) 100%);
    opacity: 0;
    transition: opacity var(--transition-smooth);
    display: flex;
    align-items: flex-end;
    padding: 12px;
}

.media-card:hover .media-overlay {
    opacity: 1;
}

.media-type-badge {
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.media-type-badge.photo {
    background: var(--primary);
    color: white;
}

.media-type-badge.video {
    background: var(--accent);
    color: white;
}

/* Кнопка удаления */
.delete-btn {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--accent-light);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    transition: all var(--transition-smooth);
    z-index: 5;
}

.media-card:hover .delete-btn {
    opacity: 1;
}

.delete-btn:hover {
    background: var(--accent);
    color: white;
    border-color: var(--accent-light);
}

/* Конвертация */
.converting-badge {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    background: rgba(15, 23, 42, 0.9);
    color: var(--text-secondary);
}

.converting-spinner {
    width: 32px;
    height: 32px;
    border: 3px solid rgba(99, 102, 241, 0.2);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ============================================================
   АДАПТИВНОСТЬ
   ============================================================ */
@media (max-width: 640px) {
    .media-grid {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
        gap: 12px;
    }
    
    .admin-header {
        flex-wrap: wrap;
        padding: 16px;
    }
    
    .upload-zone {
        padding: 32px 16px;
    }
}

/* ============================================================
   АНИМАЦИИ ПОЯВЛЕНИЯ
   ============================================================ */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.media-card {
    animation: fadeInUp 0.5s ease backwards;
}

.media-card:nth-child(1) { animation-delay: 0.05s; }
.media-card:nth-child(2) { animation-delay: 0.1s; }
.media-card:nth-child(3) { animation-delay: 0.15s; }
.media-card:nth-child(4) { animation-delay: 0.2s; }
.media-card:nth-child(5) { animation-delay: 0.25s; }
.media-card:nth-child(6) { animation-delay: 0.3s; }
.media-card:nth-child(7) { animation-delay: 0.35s; }
.media-card:nth-child(8) { animation-delay: 0.4s; }